Base | Representation |
---|---|
bin | 10001000010100… |
… | …11100001001001 |
3 | 100221222112101010 |
4 | 20201103201021 |
5 | 243043322200 |
6 | 22103514133 |
7 | 3354020154 |
oct | 1041234111 |
9 | 327875333 |
10 | 142948425 |
11 | 737662a4 |
12 | 3ba58949 |
13 | 23800389 |
14 | 14db0c9b |
15 | c83a150 |
hex | 8853849 |
142948425 has 12 divisors (see below), whose sum is σ = 236341520. Its totient is φ = 76239120.
The previous prime is 142948423. The next prime is 142948439. The reversal of 142948425 is 524849241.
It is not a de Polignac number, because 142948425 - 21 = 142948423 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (142948423) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952915 + ... + 953064.
Almost surely, 2142948425 is an apocalyptic number.
142948425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142948425 is a deficient number, since it is larger than the sum of its proper divisors (93393095).
142948425 is a wasteful number, since it uses less digits than its factorization.
142948425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1905992 (or 1905987 counting only the distinct ones).
The product of its digits is 92160, while the sum is 39.
The square root of 142948425 is about 11956.1040895435. The cubic root of 142948425 is about 522.8692779568.
The spelling of 142948425 in words is "one hundred forty-two million, nine hundred forty-eight thousand, four hundred twenty-five".
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